Home / 3,179,047.20-4,387,200.50-1,821,182.64

Finding the Fourth Proportional to 3,179,047.20, 4,387,200.50 and 1,821,182.64

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Solution

The fourth proportional to 3,179,047.20, 4,387,200.50 and 1,821,182.64 is: 2,513,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,047.20 : 4,387,200.50 = 1,821,182.64 : x
  2. Step 2: Convert to fraction form
    3,179,047.20/4,387,200.50 = 1,821,182.64/x
  3. Step 3: Cross multiply
    3,179,047.20x = 4,387,200.50 × 1,821,182.64
  4. Step 4: Simplify right side
    3,179,047.20x = 7,989,893,388,799.32
  5. Step 5: Solve for x
    x = 7,989,893,388,799.32/3,179,047.20
  6. Step 6: Final answer
    x = 2,513,298.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.